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Finding the Fourth Proportional to 603,970, 906,103.22 and 300,507.34

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Solution

The fourth proportional to 603,970, 906,103.22 and 300,507.34 is: 450,834.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,970 : 906,103.22 = 300,507.34 : x
  2. Step 2: Convert to fraction form
    603,970/906,103.22 = 300,507.34/x
  3. Step 3: Cross multiply
    603,970x = 906,103.22 × 300,507.34
  4. Step 4: Simplify right side
    603,970x = 272,290,668,407.64
  5. Step 5: Solve for x
    x = 272,290,668,407.64/603,970
  6. Step 6: Final answer
    x = 450,834.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.